<template>
  <a-modal
    title="修改头像"
    :visible="visible"
    :maskClosable="false"
    :confirmLoading="confirmLoading"
    :width="800"
    :footer="null"
    @cancel="cancelHandel"
  >
    <a-row>
      <a-col :xs="24" :md="12" :style="{ height: '350px' }">
        <vue-cropper
          ref="cropper"
          :img="options.img"
          :info="true"
          :autoCrop="options.autoCrop"
          :autoCropWidth="options.autoCropWidth"
          :autoCropHeight="options.autoCropHeight"
          :fixedBox="options.fixedBox"
          @realTime="realTime"
        >
        </vue-cropper>
      </a-col>
      <a-col :xs="24" :md="12" :style="{ height: '350px' }">
        <div class="avatar-upload-preview">
          <img :src="previews.url" :style="previews.img" />
        </div>
      </a-col>
    </a-row>
    <br />
    <a-row>
      <a-col :lg="2" :md="2">
        <a-upload name="file" :beforeUpload="beforeUpload" :showUploadList="false">
          <a-button icon="upload">选择图片</a-button>
        </a-upload>
      </a-col>
      <a-col :lg="{ span: 1, offset: 2 }" :md="2">
        <a-button icon="plus" @click="changeScale(1)" />
      </a-col>
      <a-col :lg="{ span: 1, offset: 1 }" :md="2">
        <a-button icon="minus" @click="changeScale(-1)" />
      </a-col>
      <a-col :lg="{ span: 1, offset: 1 }" :md="2">
        <a-button icon="undo" @click="rotateLeft" />
      </a-col>
      <a-col :lg="{ span: 1, offset: 1 }" :md="2">
        <a-button icon="redo" @click="rotateRight" />
      </a-col>
      <a-col :lg="{ span: 2, offset: 6 }" :md="2">
        <a-button type="primary" @click="finish('blob')">保存</a-button>
      </a-col>
    </a-row>
  </a-modal>
</template>
<script>
import { mapGetters } from 'vuex'

export default {
  data() {
    return {
      visible: false,
      id: null,
      confirmLoading: false,
      fileList: [],
      uploading: false,
      options: {
        // img: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
        img: '',
        autoCrop: true,
        autoCropWidth: 200,
        autoCropHeight: 200,
        fixedBox: true
      },
      previews: {}
    }
  },
  computed: {
    ...mapGetters(['userInfo'])
  },
  methods: {
    edit(id) {
      this.visible = true
      this.id = id
      /* 获取原始头像 */
    },
    close() {
      this.id = null
      this.visible = false
    },
    cancelHandel() {
      this.close()
    },
    changeScale(num) {
      num = num || 1
      this.$refs.cropper.changeScale(num)
    },
    rotateLeft() {
      this.$refs.cropper.rotateLeft()
    },
    rotateRight() {
      this.$refs.cropper.rotateRight()
    },
    beforeUpload(file) {
      const reader = new FileReader()
      // 把Array Buffer转化为blob 如果是base64不需要
      // 转化为base64
      reader.readAsDataURL(file)
      reader.onload = () => {
        this.options.img = reader.result
      }
      // 转化为blob
      // reader.readAsArrayBuffer(file)

      return false
    },

    // 上传图片（点击上传按钮）
    finish(type) {
      console.log('finish')
      const _this = this
      const formData = new FormData()
      // 输出

      if (type === 'blob') {
        this.$refs.cropper.getCropBlob((data) => {
          const img = window.URL.createObjectURL(data)
          this.model = true
          this.modelSrc = img
          // console.log('img:', img)
          // console.log('data:', data.type)
          const { userInfo } = this
          // formData.append('file', data, this.fileName)
          formData.append('file', data)
          this.$http
            .post('/common/uploadBlob', formData, {
              contentType: false,
              processData: false,
              headers: { 'Content-Type': 'multipart/form-data' }
            })
            .then((response) => {
              console.log('response:', response)
              console.log('用户信息', userInfo)

              this.$http
                .put('/currentUser/uploadinfo', { ...userInfo, avatar: JSON.stringify(response.result[0]) })
                .then((res) => {
                  console.log(res)
                  if (res.code === 200) {
                    _this.imgFile = ''
                    _this.headImg = response.result[0].url // 完整路径
                    _this.uploadImgRelaPath = response.result[0].url // 非完整路径
                    _this.$message.success('上传成功')
                    _this.$emit('ok', response.result[0].url)
                    _this.visible = false
                  }
                })
              // var res = response.data
              // if (response.status === 'done') {
              //   _this.imgFile = ''
              //   _this.headImg = res.realPathList[0] // 完整路径
              //   _this.uploadImgRelaPath = res.relaPathList[0] // 非完整路径
              //   _this.$message.success('上传成功')
              //   this.visible = false
              // }
              // _this.$message.success('上传成功')
              // console.log('上传成功', response.result[0])

              // _this.visible = false
            })
        })
      } else {
        this.$refs.cropper.getCropData((data) => {
          this.model = true
          this.modelSrc = data
        })
      }
    },
    okHandel() {
      const vm = this

      vm.confirmLoading = true
      setTimeout(() => {
        vm.confirmLoading = false
        vm.close()
        vm.$message.success('上传头像成功')
      }, 2000)
    },

    realTime(data) {
      this.previews = data
    }
  }
}
</script>

<style lang="less" scoped>
.avatar-upload-preview {
  position: absolute;
  top: 50%;
  transform: translate(50%, -50%);
  width: 180px;
  height: 180px;
  border-radius: 50%;
  box-shadow: 0 0 4px #ccc;
  overflow: hidden;

  img {
    width: 100%;
    height: 100%;
  }
}
</style>
